Difference between revisions of "Divisibility"

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'''Divisibility''' is the ability of a number to be evenly divided by another number.  For example, four divided by two is equal to two, an [[integer]], and therefore we say four ''is divisible by'' two.
 
'''Divisibility''' is the ability of a number to be evenly divided by another number.  For example, four divided by two is equal to two, an [[integer]], and therefore we say four ''is divisible by'' two.
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==Divisibility Video==
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https://youtu.be/6xNkyDgIhEE?t=1699
  
 
== Notation ==
 
== Notation ==
  
 
We commonly write <math>n|k</math>. This means that <math>n</math> is a [[divisor]] of <math>k</math>. So for the example above, we would write 2|4.
 
We commonly write <math>n|k</math>. This means that <math>n</math> is a [[divisor]] of <math>k</math>. So for the example above, we would write 2|4.
 
  
 
== See also ==
 
== See also ==

Revision as of 19:51, 12 August 2020

Divisibility is the ability of a number to be evenly divided by another number. For example, four divided by two is equal to two, an integer, and therefore we say four is divisible by two.

Divisibility Video

https://youtu.be/6xNkyDgIhEE?t=1699

Notation

We commonly write $n|k$. This means that $n$ is a divisor of $k$. So for the example above, we would write 2|4.

See also